diff --git a/sys/shkd-sys-sys/src/main/java/shkd/sys/sys/eoss/SSOPluginLogin.java b/sys/shkd-sys-sys/src/main/java/shkd/sys/sys/eoss/SSOPluginLogin.java
index 5d44622..50e44a1 100644
--- a/sys/shkd-sys-sys/src/main/java/shkd/sys/sys/eoss/SSOPluginLogin.java
+++ b/sys/shkd-sys-sys/src/main/java/shkd/sys/sys/eoss/SSOPluginLogin.java
@@ -119,40 +119,41 @@ public class SSOPluginLogin implements ThirdSSOAuthHandler {
             result.setSucess(false);
             return result;
         }
-
         String param = httpServletRequest.getParameter("param");
+        //获取返回的 sessionId
+        String sessionId = httpServletRequest.getParameter("sessionId");
+        logger.info(String.format("getTrdSSOAuth→sessionId：%s", sessionId));
         //解码
-        byte[] decodedBytes = Base64.getDecoder().decode(param);
-        String paramString = new String(decodedBytes, StandardCharsets.UTF_8);
-        try {
-            //获取返回的 sessionId
-            String sessionId = httpServletRequest.getParameter("sessionId");
-            logger.info(String.format("getTrdSSOAuth→sessionId：%s", sessionId));
+        if(StringUtils.isNotEmpty(param) ){
+            byte[] decodedBytes = Base64.getDecoder().decode(param);
+            String paramString = new String(decodedBytes, StandardCharsets.UTF_8);
             //二次重定向到待办页面，并且修改EOSS返回的sessionId的key值
-            httpServletResponse.sendRedirect(httpServletRequest.getRequestURI() + "?" + paramString + "&code=" + code+"&eossSessionId="+sessionId);
-            //二次重定向进入解
-            if (StringUtils.isNotEmpty(code) && sessionId == null) {
-                //调用EOSS获取token接口
-                String access_token = AuthService.accessToken(code, ip, client, secret);
-                logger.info(String.format("getTrdSSOAuth→accessToken返回数据：%s", access_token));
-                //调用EOSS获取用户信息接口
-                String user = AuthService.getUserInfo(access_token, ip, client, secret);
-                logger.info(String.format("getTrdSSOAuth→getUserInfo返回数据：%s", user));
-                String userKey = "user_sessionId_" + user;
-                //存储sessionId用于退出系统
-                DistributeSessionlessCache cache = CacheFactory.getCommonCacheFactory().getDistributeSessionlessCache("customRegion");
-                cache.put(userKey, httpServletRequest.getParameter("eossSessionId"));
-                //当前返回类型手机，用户名，email，工号
-                result.setUserType(UserProperType.UserName);
-                result.setUser(user);
-                result.setSucess(true);
-                logger.info("SSO用户登录成功，进入苍穹系统");
-            }else{
-                result.setSucess(false);
+            try {
+                httpServletResponse.sendRedirect(httpServletRequest.getRequestURI() + "?" + paramString + "&code=" + code+"&eossSessionId="+sessionId);
+            } catch (IOException e) {
+                logger.info(String.format("getTrdSSOAuth→sendRedirect异常：%s", httpServletRequest.getRequestURI() + "?" + paramString + "&code=" + code+"&eossSessionId="+sessionId));
+                throw new RuntimeException(e);
             }
-        } catch (IOException e) {
-            logger.error("二次重定向到待办页面异常！" + e.getMessage());
-            throw new RuntimeException(e);
+        }
+        //二次重定向进入解
+        if (StringUtils.isNotEmpty(code) && StringUtils.isNotEmpty(sessionId) ) {
+            //调用EOSS获取token接口
+            String access_token = AuthService.accessToken(code, ip, client, secret);
+            logger.info(String.format("getTrdSSOAuth→accessToken返回数据：%s", access_token));
+            //调用EOSS获取用户信息接口
+            String user = AuthService.getUserInfo(access_token, ip, client, secret);
+            logger.info(String.format("getTrdSSOAuth→getUserInfo返回数据：%s", user));
+            String userKey = "user_sessionId_" + user;
+            //存储sessionId用于退出系统
+            DistributeSessionlessCache cache = CacheFactory.getCommonCacheFactory().getDistributeSessionlessCache("customRegion");
+            cache.put(userKey, httpServletRequest.getParameter("eossSessionId"));
+            //当前返回类型手机，用户名，email，工号
+            result.setUserType(UserProperType.UserName);
+            result.setUser(user);
+            result.setSucess(true);
+            logger.info("SSO用户登录成功，进入苍穹系统");
+        }else{
+            result.setSucess(false);
         }
         return result;
     }